Netflix
VMAF · C / ARM NEON
Reduced redundant filtering and added ARM NEON kernels in three merged optimizations. Feature and score outputs matched exactly across 24,443 validation comparisons.
VMAF v1.0.16 3d0h, repeated 1080p content, 1–8 threads.
Dan Trapp
I build software and work on performance problems in open source. My background is 26 years in performance marketing and startup growth.
TrialLayerExplore trial records
Sponsor
185 listed sites
4 countries
Athens
United States
La Plata
Argentina
2 sites shown · selected recordsView in TrialLayer
ClinicalTrials.gov · snapshot 2026-10-10
Pfizer. BEETHOVEN. 185 listed sites in 4 countries. Showing 2 sites.
Open source
Amazon
Ion · Rust
Optimized whitespace, identifier, and field-name parsing in Rust. Full-read time fell 42%; scan time fell 52% in synthetic text-record benchmarks.
Ion 1.0 text, in-memory fixtures. Merged upstream.
Meta
Pyrefly · Rust
Fixed workspace symbol search to find instance attributes defined inside methods. Added regression tests covering assignment forms and scope boundaries.
Accepted into main through Meta’s code-sync process.
AuthZed
SpiceDB · Go
Replaced quadratic exclusion-list construction with linear work. In the benchmark, p95 lookup latency fell 87% and server allocation per lookup fell 97%.
PostgreSQL, 5,000 wildcard exclusions, concurrent writes. Merged upstream.
Performance figures are local Apple M4 measurements on the linked workloads. Ion and SpiceDB use synthetic fixtures; VMAF uses repeated video content. Results vary by hardware and workload.
Selected projects
Clinical trial intelligence
TrialLayer
Clinical trial search, sponsor profiles, and site analysis.
Search public trial records, compare sponsors and investigators, and save trials to watchlists. Includes trial scores, site workload estimates, alerts, and research reports.
TrialLayerExplore trial records
Sponsor
75 listed sites
1 country
Beijing
China
Research Site
Binzhou
China
Research Site
Changsha
China
Research Site
Phase 3b Study in Patients With Severe Asthma Treated With Tezepelumab
3 sites shown · selected recordsView in TrialLayer
ClinicalTrials.gov · snapshot 2026-10-10
AstraZeneca. TAPER. 75 listed sites in 1 countries. Showing 3 sites.
TTS product demo
Rime IVR Preview Studio
An editor for phone menus, with Rime voice previews and simulated calls.
Edit prompts, choose a voice, and listen to each step of a phone menu. Includes industry templates, pronunciation checks, and downloadable configuration files.
Handbook reader
PostHog Handbook Library
An unofficial PostHog handbook reader with search and eBook downloads.
Publishes web, EPUB, and printable editions from PostHog’s public handbook. Editions include source links, publication dates, and a summary of changes.
386 pages · 18 sectionsChoose a volume
Engineering67 handbook pages
How PostHog runs ClickHouse at scale
ClickHouse powers nearly every analytical feature in PostHog: trends, funnels, retention, paths, session replay, error tracking, logs, data warehouse queries, and more.
Unofficial edition · 2026-10-05 · Source: PostHog
Engineering volume selected. How PostHog runs ClickHouse at scale.
Open source
MCP Tools
Tools for inspecting MCP traffic and accessing public APIs.
MCP Wiretap records tool calls in SQLite with session history, search, and exports. MCP Public APIs provides 22 tools for public data without API keys.
Recorded MCP session
The client sends a JSON-RPC request through MCP Wiretap to MCP Public APIs. Wiretap records the request and response.
public_dns_lookup175 ms recorded
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "public_dns_lookup",
"arguments": {
"domain": "example.com",
"type": "A"
}
}
}Captured 2026-10-10 · example.comDownload session
Request parameters shown.